Reversible concealed locking apparatus



Dec. 20, 1927. sww

. vM. Q. BRIGHT REVERSII BLE GONCEALED LOCKING APPARATUS Filed July 10, 1923 5 Sheets-Sheet 1 g 23 I a2 a7 7 7v 93 54 Z6 w 68 729 67. %m awa /w, fly x l I N VENTOR:

.4 TTORNEY.

Dec; 20, W22 1,553,034

X M. c. BRIGHT REVERSIBLE CONCEALED LOCKING APPARATUS Filed July 10, 1923 5 Sheets-Sheet 2 I Ill I llll I A TTORNEY.

Dec. 2a, 1927. 1553,34

M. C. BRIGH T REvERsiBLE GONCEALED LOCKING APPARATUS Filed July 10, 1923 5 Sheets-Sheet 5 Dec 29, M27]. 1,653,034

M. c. BRHGHT REVERSIBLE CONCEALED LOCKING APPARATUS Filed July 16, 1923 5 Sheets-Sheet 4 ATTORNEY.

Dec. 20, 1927.

M. c. BRIGHT REVERSIBLE CONCEALED LOCKING APPARATUS Filed July 10, 19 23 5 Sheets-Sheet 5 INVENTOR: gi /1%,

A TTORNEY.

Patented Dec. 20, 1927. 3

MARTIN o. BRIGHT, OFYIN'IDIIANAPOLISQ INDIANA.

REVERSIBLE (JONCEALED LOCKING APPARATUS.

Application filed July 10,

This invention relates to locking apparatusthat is concealed so as to prevent tampering therewith and may have reversible parts to permitthe locking apparatus to be readily adapted for right-hand or left-hand doors, and the invention has reference more par ticularly to coin-controlled locking means for doorsj,and especially of the type that contains a counter for recording the number of operations of the'locking apparatus.

An object of the invention is to provide a concealed locking apparatus which shall be so constructed as to be efiicient and reliable, yet having par-ts ofsimple'desigii that will not be costly to manufacture, some of which parts may be arranged in reverse position in the locking mechanism. a

Another object is to provide an improved lock adapted to be controlled by means of coins for doors of toilet rooms, comfort stations or elsewhere; which may be operated by persons without special instructions; and which shall reliably. record the numberof operations of the lock.

A further object is to provide an improved coin-contro'lled lock whichshall be so constructed as to obviate the necessity of 1 l tail showing means for operating a counter;

using delicate springs that might be liable to become broken or deranged, having, in view the provision of strong and reliable and well supported parts. v a A still further object is to provide an improved coin-controlled lock case' in. which coins may be securely held, and toprovide improved door knobs that shall beso secured in place as to be prevented from. being re- 'iiioved .exccpting by first opening the lock case in a proper manner.

i WVith theabove-mentioned and other objec'ts in view; theinvention consists in a concealed locking apparatus having novellstructure and novel 'parts and arrangements thereof; and thefinvention consists also: further in the parts and combinations'and arrangements of parts ashereinafter particularly described and further defined in the accompanying claims. 1 Referring to the drawings, Figure 1 is a fragmentary front View of a door and its casing to which the invention is applied; Fig. 2 isla fragmentary frontview of a door and its casing i'e'versely arranged an'd to which the invention is applied in reverse order relatively to that in the preceding fig- 551 uro; Fig.8 is afragmentary edge viewof' a door and the mproved lock thereon; Fig.

n'ientary elevation showing a portion of the tially. obscured in Figures {6; 16 'and17 thenparts'being in proper position for retracting 1923. Serial No. e50,73s.'

4 is a perspective view of the outer one of the door knobs comprised inthe invention; Fig. 5 is a real"; View of the inner one of the twoknobs; Fig. 6 is a vertical sectional ele-l 6G vation of the improved locking apparatus, partially broken away, approximately 011 the line VI-VI in Fig. 3but on an enlarged scale; Fig. 7 is a horizontal seetion'iof the coin controlled lock centrally ofthe lock bolt comprised in the apparatus; Fig. 8 is a perspective View of an i nprovedcoin-slot shutter and its controlling device; Fig. 9 is- EL-PGI'SPQCtlVG'VlBW of one of the'operating andcontrolling devices of thelock; Fig. 10

is a perspective viewof another one of the operating and controlling devices of'the lock; Fig. 111a fragmentary horiZontal' section showing particularly the mounting of the inner doorknob spindle on thelock 7 caseand the door; Fig. 12,-is atransverse vertical section of.- thelocking apparatus 1 centrally thereof on an enlarged scale and mounted onthe door; Fig; 13 isa'fragv v inside of the front of'thelock caseandalso a device for securing thG'OHtSlClG 'knob securely in place; Fig' l i is a fragmentary de Fig. 15 is. the detail of the device shown'in the preceding figure, but in a different position; Fig.16 is a fragmentary sectional elevation show ng the: mechanism represented in the relative positions of the various parts occupied. when the ,locklbolt has been iio retracted by ineans'of a coin and the outside knob; Fig. 17 is a view similar to-thepreceding figure buta showing. the 'diiferent.

parts in the positions assumed up on the release of the outside knob following the :retraction of the lock bolt and preceding the. Y

.engageii'iefnt of the lock bolt with its keeper; v

Fig. 18' is a fragmentary front View showing-various partsthatgareobscured or parthe lock-bolt by-ineansof a coin; Fig. 19

is a; view 1 similar to the preceding figure; but showing the lock bolt as having been retracted and; various parts correspo'ndinglyarranged; Fig. 20 is'a fragmentary horizontal section of the door and its casin'giand the locking apparatus applied'thereto, thedoor being represented as when being closed and theilockbolt being retracted by contact with used to retract the bolt to-permit-.the door its'keeper and releasing-thelcoin previously to be opened; Fig. 21 is a view generally similar to Fig. 16, but with the lock bolt and various parts shown as having been reas having-been retracted by means of a coin;

Fig. 24 is a fragmentary view more clearly showing parts partially obscured particularly in Figures 6, 18 and 22; Fig. is a top-plan of the improved lock bolt as preferably constructed; Fig. 26 is a'perspective View of the locking mechanism slightly modified; Fig. 27 is a horizontal section-centrally of the lock bolt in Fig. 26; Fig. 28 is a perspectiveview of the lock bolt keeper as preferably constructed and adapted to be operated-to release the door by a person outside who may be authorized to open the door withoutthe use of a coin, and Fig. 29 is a modified form of lock bolt keeper having means by which the lock bolt may be retracted to open the door from the outside by a person authorized to open the door WltlIOut 1 the use of a coin.

Similar reference characters in the differ- 'ent-figuresof the drawings indicate corresponding 'orlike elements or features of construction herein referred to in detail.

In the drawings the numeral 1 indicates a door cas ngand 2 a door arranged to be locked to the casing; 1 indicates an opposite portion of the door casing and 2? a door reversely arrangedto be locked to the casing.--g'

A practical embodiment of the improved y 'locking apparatus as preferably constructed comprises a back or base plate 3 constituting the foundation of the locking apparatus and back of the'lock case or casing for enclosing the] apparatus, being arranged on the outer I side or front of the doorand having a bearing boss 4: extending from its back and'into' 3a suitable aperture ,5 in the door, the back "plate 3 being secured to the door by means of; screws 6. The back plate 3 has also a bearin boss? on its forward side at a lower level than the boss 4, the bosses being mid-' way between the vertical side edges of the backplate to permit the plate to be used on either'a right-hand. or a left-hand door. The upper portion of the plate 3 has a keeper fixed thereon that comprises a base 7 8 and a lip 9 extending upwardly therefrom;

suitable distance belowthe keeper, the- '1 plate 3flhas @COlIl Cl'lUtG base 10 fixed thereon that hasadownwa'rdly extending guide projection'll'thereon, the front face 12 of.

which is curvedand extends upwardly and forwardly from the lower end of the pro-' jection to constitute the back of a coin chute. which has side plates 13 and 1 1 extending forward beyond the guide face. Preferably the plate 3 has also a reversing rib 15 ex tending from the keeper base 8 to the base 10. At the lower end of the plate 3 the plate has two bottom frame members 16 and 17 fixed thereto, preferably by means of foot y pgates 18 and 19 suitably secured to thcback' p ate.

The covering portion ofthe lock case comprises a front plate20, a top plate 21 and side plates 22 and 23,all connected together,

preferably integrally: The top andside plates are removably arranged against the edge portions of the back plate jThe in ner side of the lower portion of the-front plate is provided with clamp bars 24 and 25 that are normally arranged above the frame members 16 and 17 respectively, being secured to the front. plate by means of foot plates 26 and 27 respectively and detachably secured to the frame members 16 and 17 by means of screws 28 and 29 respectively, operating to draw the top plate 21 tightly against the upper edge portion of the plate 3, the lower portion of the lock case'otherwisc being open to permit removal of coins from the case; but the case-is provided with a removable door 30 that has-aboss 31 centrally on its inner side in which a cylindrical shank 32 is rotatively arranged, and havinga locking bar 33 on its inner end and'a collar 34: ad-

,jacent to its outer end whereby the shank is retained in place. The outer end of the shank has asuitable key-hole therein to g 7 receive a special key wherebyvto turn the shank to disengage the locking bar from a projection 36 fixed on the back plate 3 and a projection 37 fixed on the inner side of the front plate 20, the locking .bar normally engaging said projections to. secure the door. in place. The front plate has a vertical coin slot 38therein that is opposite to the, coin chute guide 12. The inner side of the top platej2 1 has a projection 39 that normally extends into an engagement with the back of the lip 9 to 'securelv' hold the upper POYF.

tion of the lockcase in place.

The lock case has two bolt guidesftherein V that'are adapted to be arranged revcrsiblv and interchangeably at the inner sides of the side plates 22 and 23; as shown, one of? the guides 40 being constructed as a boxing and secured to the back plate 3 against the side plate. 22"and having a guide rod 41 fixed to its back and extending beyond its open ront towardstheside plate 23, and guidback of the guide structure. The opposite one of the bolt guides 43 is'aring a coil spring 42 1seated against the bars 44 and 45 projecting from its up bolt having a beveled face 47. The lock bolt.

has a bore 48 extending from its inner end, in which the spring 42 is received and seated for automatically projecting the lock bolt.

7 The lock bolt'has a recess 49 opposite to the back plate 3 and it has also a wing 50 projecting from its under side, and a wing 50' projecting from its upper sideor top. to render the bolt reversible. The lock bolt preferably is provided with stop projections 51 on its top and bottom to normally engage theprojections 44 and 45 when the lock bolt is projected. When the lock bolt is retracted, its rear end is stopped in the guide 40, and the wings may be adapted-to engage the guide to stop the bolt; I The inside door knob is so connected with the door and the lock thatits connecting devices are concealed, a collar plate 52 being arranged'on the, inner side of the door and covering the aperture 5, the outer side of the plate with reference to the lock case, hav ng a bearing collar 53 thereon. The inner side of the collar plate has bosses 54 thereon that extend into the aperture towards the lock case and are engaged by screws 55inserted therein through suitable holes .in the back plate 3 of thelockcase. A knob or handl-e 56 has a shank 57 that is rotatably arranged in the bearing collar 53 and has a retaining collar 58 secured to itslinner end to prevent-I withdrawalof. the shank. A spindle 59' is connected to the shank and it hasa journal collar 60 thereon that-is arranged in the 7 bearing boss 4, the spindle extending a short direction. The arm 63 has a lateral projection 64 thereon which may be engaged by a dog 65 thatis' pivoted to an ear 66 on the lower portion of the plate '13 or side of the coin chute. whereby to temporarily prevent rotation of the knob spindle in the opposite direction.

The coin chute base 10 has two pivot bear-- ings 67 and 67 5 in one of which a suitable pivot pin .68 is secured that rotatively sup-. ports a hub 69 which has a lever arm ,70

fixed thereto that carries a trip pin '71 under the dog 65 to move the dog away from the projection 64. The arm 70 has one edge-72 adapted to rest against the side plate 13 of i the coin chute,and the lower portion of said edge has'a projection 73 adaptedto extend under the side plateiand in the edge portion of which is a slot 74.: The hub 69 has-also a shutter plate 75 fixedthereto that .is arranged to swingadjacent to the inner side ofthe front plate 20 to close the'slot '38, the shutter plate having a slot 76 therein through which a coin may be inserted into the coin chute when the shutter"-zplate is suitably positioned, the plate preferably having a gapv 77 therein extending from the pivot bearing slot. WVhen'thelock mechanism is'reversely constructed the pivot pin 68 is placed in the The lock bolt 46has a guide projection 78 l on its front and has also a transverse slot 79 1 extending from the rearward side of the projection, and the bolt has also a lateral abutment 80 rearward of the slot and at a suit-' able distance from the projection to constitute a portion of the slot which is designed.

to receive a coin whereby to retract the bolt. The upper portion ofthe bolt" has athin projecting stop late 81 fixed thereon that [may be received into the slot 74, and in order to'render the bolt reversible its. lower portion has a similar plate 81' thereon, The

bolt 46 has also another guide projection 82 thereon opposite to the projection 78'. A plunger rod 83 is slidi'ngly supported in the arranged 011'. the plunger rod and' seated -againsttheiprojec'tion 78 throughyvhich the rod may beproject ed'past a portion .ofthe a u nt 80- The spring 855s weaker than the spring 42;. l

An outside knob or handle 86 provided which has a spindle shank 87 that i'srernovably arranged rotatively in a suitable open:

ing in the-frontzplate 20. of the case "and'so n as to beoppositeto the'boss 7, and it'has a"clrcumferentialgroove 88 that is normallyv adjacentto the innerside of the plate 20. The shank receives a squared portion 89 0f a spindle 9O that isrotatively supported in the boss 7. The spindle has a lever; arm 91 fixed thereon that bears against the end of the boss 7 and extendsupwardadjacent to the'plunger rod 83an'd has a slot 92'therein receiving 'the'controlfpin 84. The arm has a i lateral'finger 93 thereon to temporarily: sup

port an edgeportion of a coinwhen received in the slot 79; Preferably-thearm '91 has a slot 94 therein receiving a stop projection 95- fixed on the end o'fitheboss 7 to limit the rotary movement of the handle-or knob I and also the swingingmovement of. the lever 1 arm. The knob 86 is hollow and has a coil spring 96 seated. therein that is under 'com-' pression againstthe spindlelportion 89 for r ma ntainlng the arm 91 accurately in position to be gu ided. against the boss 7. The inner side of the front plate has two vertical guides 97 and '98 fixed thereon on opposite sides respectively of the 'knob spindle, and the front plate: preferably has also a guide stud 99 thereon below the spindle. A locking plate 100 is vertically arrangedin the guides 97 and 98and it has an opening 101 therein; into which the shank 87 maybeiinserted, and a slot 102 of less width than the diameter ofthe shank, the portions of the plate at the sides of theslot beingrreceived in the groove 88 and prevent withdrawal of the shank from the lock case.

The. locking plate has aslot 103 receiving the guide stud 99 and it also hasa'finger 104-onitslower end which is adjacent to the locking bar33. The locking plate 100 descends.byftheforce of- ,gravity and may bezelevated to release the shank 87 when the 7 door is removed from place.

A suitable Counter or register'is arranged in theuppe'rportion of the lock case and m'ay comprise asuitable-open front, casing 105thatis secured :to the. back plate 3 and supports a shaft 106 on which numbered disks: or wheels'107'are arranged so as to be visible through .a'sight-opening' 108 provided in the front. plate 20., The counter may be of well lniown construction and its shaft I extends through one side of its casing and has an operating head 109-adjustably secured theretowhich hasa fork 110 on one side therev of into which extends a suitable lever arm'111 whichis fixed to the lever arm 70. Thehead 109 has a pointed-or wedge-like projection 112 on its upper side to which aguidc-bar113 is? pivoted and guided-in an car 114; supported adjacent to. one sideloffthe lip 9, a similar ear 1141 being arranged on the opposite side of the lip to be 'utilized when the mechanism is 'reversely-arranged. f The guide-bar 113 has a collar 115 loose thereon that hasia blunt wedge face in Contact with the projection 11-2fand'forced thereto by a spring 116 under compression betweenithe collarand, the ear llt th'e springwiththe V collar and the projection being designed to the counter-wheels or disks. V N ariousparts of the lock mechanism Vmay complete-the tilting movement of the head be variously modified and differently arranged, the lock case'being constructed substantially as herein-before described,'with changes of location of apertures-or slots that may be necessitated to accommodate the arrangementof parts in modified construction. The lock. case has a back plate 3 on which is a bearing boss 7 toguide the outside knob f spindle. The back plate has; a coi'n chute thereon comprising base portion 10 and side plates 13 and 14'. The outsideknob spindle is connected with theback plate of the lock case and has a lever arm 61 connected thereto that has a projectio1r62, and

indicated so asto swing into engagement with the projection 6 H A pivot 68'. is suit ably supported ad acent. to the coin chute and supports 'a hub 69 to which a lever arm 70-.is fixed, the arm carrying alpin 7l whereby to lift the dog The arm has a side portion 72 adapted to be stopped against the adjacent side of the coinichute, and the arm has alsoa pro ect1'on73 extending under the coin'chute. -A shutter plate 7 5 is fixed to the hub 69 to close or. openithe coin chute. Theback plate 3 hasalso 'a lock bolt guide as", thereon which has a base The lever arm 70 has an arm 111 that is connected with the fork 110 to operate the counter. spindle part 89to which a. lever arm-91" is connected. v

A modified lock bolt 46 is movablyguided in the guide tii and it has upper'and lower plates 117 and'118 the bolt having a recess between the plates. The plates" are of such length as to permit a coi'nto pass from the coin chute into the recess at the ends'of the plates. The upper portion of the lock bolt has an abutment 119 and the lower portion V I has a relatively longer abutment 120, the abutments being separated froinfthe ends of The outside knob has the squared the upper and lower plates to constitutea coin slot 7 9 to receive a coinfrom the coin chute when the lock bolt is projected. The lock bolt has area-r end member 121 and a projection 122 on the lowerportion of the bolt that isdesigned to be stoppedwhen' the lock bolt is retracted against a guidebar 123 fixed on the back plateB"; and the projection. 122 has a downwardly extending win 12 1 arranged to be engagedfby the pro jection 62 to retract the lock bolt. 'The lock bolt has a guide rod 125 that is secured to the member 121' and extends through the guide 123, and a coil spring 126 is arranged on the rod and seated against the endme1nher 121 and the guide-123, for projecting thelock bolt. A'plunge'r head 127 'is-" arrafiged'between the plates 117 and 118 and is movable towards the end member '121',be:-

ing guided upon a rod 128 that is securedto 126 being arranged on the rod between-the head and the m'emberQ121'. The head 127 guide bar 131'thereon that is guided by'the guide as. The arm has also a plunger ted-1132 to be moved to acoin whenfreceived has an arm' fixed thereto-that has a in the coin slot, the coin being temporarily:

supported in the coin, slot on aifinger 131 fixed to the arm 130. The lock bolt has a stop pin 51 thereon that engages the member 45 when the lock bolt is'projected. The

. arm l30'isarranged so as to be engaged by the lever arm 91 for retracting the lock bolt with the aid of a coin. I

" For the purpose of enabling a janitor or other person authorized to gain admission without expending a coin to open the door of the room, an improved lock bolt keeperis provided which may be variously constructed tothe end that the lock bolt may,'withdrawing it from the keeper, be released from box to the base plate, being provided with a key-barrel 138. 1

A modified .form of keeper comprises a box 139 that is secured by means of screws 14:0 to the door casing, the box having an opening to receive the projected portion of the lock bolt. The box-like keeper is provided with suitable lock mechanism as may be desired that'has a'rotary key barrel 141 which operates and controls two fingers 142 and 142 arranged adjacent to the end of the lock bolt so that when either one of the fingers is moved against the end of the lock bolt the bolt'is forced out of the keeper and permits the door to be opened. I

In'pra'ctical use, the door being closed and locked, with the locking mechanism set as in Figsr6, 7,12,18, 22 and 24:, a coin 143 is inserted through the slot 38 and into the coin chute through theslot 76 in the shutter, the coin passing into the slot 7 9 in the lock bolt in which it is supported by a. portion of its edge on the finger 93. If the knob or handle 86 be turned so as to slightlycompress the spring 85, the arm'91 moves the plunger rod 83 against the coin and thecoin is forced against the abutment and causes retraction of the'lock bolt and compression of the spring 42 while the finger 93 continues to support the coin, after which the dooris swung open with the mechanism set as in Fig. 16. When the lock bolt has been re tracted the coin slot 38 will have been closed by the shutter and the arm 111 will have tilted the head 109 so as to be in proper position for operating the counter. The outside knob or handle may now be released which permits action of the spring 42 and the lock bolt to be thereby projected, the arm 91 being carried back by means of the spring and turning the knob to its original position, the

mechanism-being le t a i Fi b fl sonentering the room draws the door'shut,

or it is forced shut-by its spring-hingesthe' it beveledend 47 strikingthe keeper as in Fig.

20 and being forced back permits thedoor to be closed,'the retracting lock bolt carrying the coin in the slot 79 back until the coin is pushed ofl from the end of the finger. 93,

and drops down into-the lower portion of the lock case, with the mechanism positioned as 'in-Figs.- 2O or :21, the lock bolt being) quickly projected automatically into the keeper whenthe door is'closed. When thelock bolt is being. retracted bymeans of'a' coin the coinengages the lever .arm'70 and so swings it back and thereby causes the Shutter toswing across the coin slot, the dog 65 being forced up from the projection 64. In;

case a second coin is inserted through the coin slot 38 before retra'cting'the lock 'bolt, the second coin will first rest upon the first. coin, as in' Fig: 8, butfwill drop on to the plate 81 when the first coin is forced from under it upon backward movement of the lock bolt, as seen in Fig; 19 without inter-= fering with the operation of the mechanism.

The door may now beopened from the inside upon the turning'ofthe knob or handle 56' which causes the arm 61 to retract the lock bolt and the projection 64. to swing the arm :7 0 back to its original position, as seen in Fig. 21,'causin'g the arm111- aided by the spring 116 and the wedging devices, to

tilt the head 109'so as to'operate thecounter, the. shutter 7 5 at the same time being swung back so as to uncover the coin slot and the coin chute, the movements ,of the differentelementsbeing positive uponthe necessary operation .of the door knob; After the door 1' has been opened from, the inside and a person permitted topass out, the door is'automatically closed as usual, the locking mechanism being again set ready by a coinas above described. I

to be operated In the operation of the modified mechanism, a coin entering-the coin chute-falls into f the coin slot 7 9 and is stopped and retained by the finger 133,- and the'spindle 89" of the outside handle being turned, the arm -91 moves the plunger rod132 against the coin which being, forced againstthe abutments 119 and 120 causes the.,lock bolt to be retracted, The coin'carried back with the'lo'ck bolt engages and pushes back the levera'rm 70' which'in turncauses the; dog 65 "to be moved away from the projection'64c, the shutter 7 5' I being at'the' same time moved to' a closed position; thecoin is dropped in the manner above described and the'lock bolt is retracted and'other operations performed when the inside knob is turned to cause the projection 62' to engage the wing-129 whereby to re-gl tract'the' lock bolt. j

It will be understood from the foregoing description that the ja'nitor or attendant may have a special key whereby he may operate the, private look bolt releasing keeper and projected lock bolt having an abutment, a,

permit the door to be Opened without op erating the lock and the counter orregister, Having thus described the invention, what isclaimed'as new is, A

I71. A locking apparatus including a springmovable device to engagea coin on the abutment to retract the lock bolt, a lever arnr to actuate the device, a finger controlledbythe-arm to support a coin on the abutment,

a shutter having an arm to be partially operatedby the coin, means to automatically complete the operation of the shutter arm, and means to actuate the lever arm. 7

, 2. -A locking apparatus including a springprojected .lock bolt having a coin-recelving slot therein, a movable-"device to engage a coin in the slot to. retract theflock bolt, a lever armto actuate the; movable device, a

' finger movable by the armto support a coin in the slot, and means to actuate the arm.

\ 3. A locking apparatus including'a springprojected lock bolt and a plunger movably mounted thereon, the lock bolt having a coinreceivingslotand an abutment at one side i r of the slotin range ofthe plunger, means to move the plunger towards theabutment for engaging a coin in the slot to retract the'lock bolt, and a springto retract the plunger,

A concealed lockin apparatus includ- 7 ing, a case, a lock bolt movablyguided in the case-and having a guide thereon and alsoan abutment opposite to the guide, a spring seated in the case and on the bolt to'p-roject the bolt, a plunger rod to retract the lock bolt byhmeans. of a coin on the abutment and movably; arranged in the, guide and projectib'le towards the abutment, means to move the plunger rod and a spring seated on the guide and having connection with the plunger rod to retract the rod. 7 5. A' concealed locking apparatus including a case, a lock bolt movably guided'in the case and having a coin-receiving slot, a projecting-spring'for the lock bolt, a plunger rod guided to bel'moved on the lock bolt to engage a coin in the slotand thereby retract the lock bolt, a handle shank rotatively sup ported by the lock case and having a lever arm to operate theplunger rod, and retracting-spring for the plunger rod.

- 6; A concealed locking'apparatus including a lock case having a coinchute, a lock bolt movably guided in the lock case and mh'aving a coin slot a spring co-operating with the case 'to project the lock'bolt, a plunger rod guided on the lock bolt to be projected to the coin slot, a spring co-o'perating with the lock bolt to retract the pl'unger rod, aihandle shank rotatively supported by the lock case, a lever armsecured to the shank to operate and project the plunger rod, and a mov b e finge contro ed by the the coin to retract the bolt. V

8. A locking apparatus including a spring 7 by the shutter arm.

lever armto temporarilysupport-a coin" in? the coin slot.

[7. A reversible locking apparatus incluct,

ing a lock case with a slot in its front;por-.

tion the back portion having awbase fixed; thereon provided with a coin chute, the base having two pivot bearings spaced apart on; one and the same horizontal plane, a 1o@kbolt horizontallyimovable in the lo'cklc'ase below the coin chute and having a coinre-.

ceiving slot therein, a pivot supported by one of the two pivot bearings, a shutter plate and a a lever having a hub common to both. and

supported on v the. pivot, the lever being in the path of a coin in the slot to be operatedto engage by the coin, and means movable projected lock bolt having an abutment, a movable device to engage, acoln on the abutment to retract the lock bolt, a leverarm to actuatethe device, a fingercontrolled by the arm tosupport a com on the abutment, a

movable shutter having a'shutterarm to be actuated by the coin, means to actuate the lever arm, a counter to be actuated by the shutter arm, and means adapted toaid'the shutter arm to actuate the counter and auto,-

matically to complete the operation of the counter following partial operation thereof .9; In a-locking apparatus the combination of a spring-projected lock bolt to be coin-retracted, a movable finger to tempo-- rarily support a com 111 connect1on with the lock belt, a movable device to engage the coin'and thereby retractthe lock bolt, a'lever I arm to actuate the device and to' control thefinger, means to actuate the lever arm, a

movable coin-slot shutter having an actuating devlce, a counter, and rotary operating shaft therefor, and means connected with the.

operatin shaft to be actuated by the actuatdevice to turn the operating-shaft provide d with means automatically-to further turn the shaft and to further inove the shutter. r

10. Ina concealed locking controlling vided with a pivot'to support it, a shutter plate and an-operating-arm fixedto' the hub,

, apparatus, a, ClBVlCQ comprising a hub-pro the operatingarm having an edge adapted V cal necting device on the lock bolt, said device being engageable with a coin in the slot and a handle havingconnection with the spindle.

12. In a concealed locking apparatus, a controlling device comprising a hub provided .wlth a pivot to support 1t, means to rod movably mounted on the lock bolt to be projected to said slot, and a pivoted lever arm having operative connection with the plunger rod and provided with a finger extending below said slot to temporarily support a coin in the slot and permit-ting movement of the lock bolt to push such coin off the finger.

14. In a concealed locking apparatus, the combination of a longitudinally movable lock bolt having an' abutment and a coin slot adjacent to the abutment, and a plunger rod movably guided on the loclr bolt tobe projected towards the abutment, with a device movably supported to support an edge portion of a coin in said slot, and means to hold the device to permit movement of the lock bolt to carry the coin from the de- I vice. I

15. In a concealed locking apparatus, the combination with a register having an operating-shaft, of a head secured to the operating-shaft and having a wedge-likei projection thereon, a guide rod pivoted to said projection, a guide for the rod, a collar loose on the rod and having a wedge face engaging said projection, a spring on the rod vunder compression against the guide and V the collar, and a pivoted operating-arm having a lever arm connected with the head to move the head alternately in opposite directions.

16. In a concealed locking apparatus, a locking means comprising a bolt w1th a projecting-spring at one end thereof, the

opposite end of the bolt being beveled, the

bolt having-two guides and also an abutment on one side thereof and a slot in a portion between the abutment and one of the guides, a plunger rod movably mounted in the guides to engage a coin in said slot against said abutment and having a projection thereon between said guides, means connected with said projection to actuate the rod, and a coil spring on the rod seated on said one of the guides and also on the projection and retracting the rod from the abutment.

17. In a'concealed-locking apparatus, thev combination with a lock case, of a vertical coin chute fixed in the case, a lock bolt horizontally movable below the coin chute and having a thin stop plate on one side of its upper portion, the bolt having a coin-re ceiving slot at one endof said plate, an

operating-arm pivotally supported adjacent to one side of the coin chute and-stopped against the chute, the operating-arm having a projection extending under the side of the chute and having also a slot extending through the projection to receive saidplate,

and a shutter connected with and operated by the operating-arm. 1

18. In a concealed locking apparatus, the combination with a lock case, of a coin chute supported in the case, a lock bolt movably guided in the case and having acoin-receiving slot, a'spring to project the lock bolt, a shutter pivotally supported I adjacent :to the coin chute and havingan operatingarm connected therewith to moved by a coin in said slot, the operatingarm havinga lifter pin thereon, aispindle rotatively connected with the lock case and having a lever arm fixed theretoand operating to return the operating-arm, means actuated by the lever arm to engage the coin to retract the lock bolt, and a 7 dog pivotally I supported to engageand lock, the lever arm .1

and to be disengaged by said lifter pin. 4

19. In a locking apparatus, the combination with a lock casing, and aregister supported in thecasing and having a rotary shaft, of a head adjustably secured to said shaft and having 'a wedge-like turning-devlce thereon, a lever arm movably supported in the caslng and having connection with the head to rotate the shaft, automatically-acting means supported by the casingand engaging the turning-device to further rotate the shaft, and a shutter controlled by the f lever arm. i a. I

20. In a coin-controlled locking apparatus the combination, with a lock casing and a counting device supported in the'casing and having a rotary operating-shaft, of a spring-projected lock-bolt in thecasing-to be coin-retracted, means to temporarily sup-i port a-coin in connection with the lock bolt, a movable device to engage the coin and thereby retract the lock bolt, a movable coinslot shutter supported in the casing to be moved by means of the coin, means enabling the moving shutter to turn the operatingshaft. and means automatically to furtherturn the operating-shaft and to further move the shutter including opposite co-operating cam devices and a springvsup ported by the casing and constantly tensioning one of the cam devices.

In testimony whereof, I afiix my signature.

MARTIN V e; BRIGHT.

85. engaged and s 

